WATCH THIS

In an episode set solely in Ohio, Finn is wallowing in self-pity so Artie persuades him to help co-direct the school's production of Grease. But Sue ( Jane Lynch) objects to Unique playing a female character, while

Blaine is too heart-broken to take the male lead.

Come Dine with Me

(Channel 4, 7pm) The dinner-party challenge comes to Edinburgh, and this week's highlights include an around-the-world menu, a 'sweetie darling' theme, a stab at some Heston Blumenthal-style cooking, and entertainment that reduces one contestant to tears.